@article{hussain_ye_xiao_2016, 
  title={Excess Carrier Lifetime Improvement in c-Si Solar Cells by YAG:Ce3+-Yb3+}, 
  volume={33}, 
  DOI={10.1088/0256-307x/33/5/058801}, 
  publisher={IOP Publishing}, 
  author={Hussain and Ye and Xiao}, 
  year={2016}
  }